A bedroom isn’t just ... light sources illuminate. An LED mimics natural sunlight because, as Sharon says, “The shorter the light wavelength, on the blue side of the spectrum (between 400 ...

To get our eyes warmed up and popping, [James Best] has concocted a gargantuan 900-RGB-LED music visualizer to ... with some good old-fashioned blue tape. Once he had had his grid-spacing ...